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Database: UniProt
Entry: Q3IF36
LinkDB: Q3IF36
Original site: Q3IF36 
ID   PDXB_PSEHT              Reviewed;         373 AA.
AC   Q3IF36;
DT   24-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   16-JAN-2019, entry version 91.
DE   RecName: Full=Erythronate-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01825};
DE            EC=1.1.1.290 {ECO:0000255|HAMAP-Rule:MF_01825};
GN   Name=pdxB {ECO:0000255|HAMAP-Rule:MF_01825};
GN   OrderedLocusNames=PSHAa2079;
OS   Pseudoalteromonas haloplanktis (strain TAC 125).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Pseudoalteromonadaceae; Pseudoalteromonas.
OX   NCBI_TaxID=326442;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TAC 125;
RX   PubMed=16169927; DOI=10.1101/gr.4126905;
RA   Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA   Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G.,
RA   Ho C., Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C.,
RA   Rouy Z., Sekowska A., Tutino M.L., Vallenet D., von Heijne G.,
RA   Danchin A.;
RT   "Coping with cold: the genome of the versatile marine Antarctica
RT   bacterium Pseudoalteromonas haloplanktis TAC125.";
RL   Genome Res. 15:1325-1335(2005).
CC   -!- FUNCTION: Catalyzes the oxidation of erythronate-4-phosphate to 3-
CC       hydroxy-2-oxo-4-phosphonooxybutanoate. {ECO:0000255|HAMAP-
CC       Rule:MF_01825}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=4-phospho-D-erythronate + NAD(+) = (R)-3-hydroxy-2-oxo-4-
CC         phosphooxybutanoate + H(+) + NADH; Xref=Rhea:RHEA:18829,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC         ChEBI:CHEBI:58538, ChEBI:CHEBI:58766; EC=1.1.1.290;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01825};
CC   -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate
CC       biosynthesis; pyridoxine 5'-phosphate from D-erythrose 4-
CC       phosphate: step 2/5. {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SIMILARITY: Belongs to the D-isomer specific 2-hydroxyacid
CC       dehydrogenase family. PdxB subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01825}.
DR   EMBL; CR954246; CAI87135.1; -; Genomic_DNA.
DR   RefSeq; WP_011328737.1; NC_007481.1.
DR   ProteinModelPortal; Q3IF36; -.
DR   SMR; Q3IF36; -.
DR   STRING; 326442.PSHAa2079; -.
DR   EnsemblBacteria; CAI87135; CAI87135; PSHAa2079.
DR   KEGG; pha:PSHAa2079; -.
DR   PATRIC; fig|326442.8.peg.2006; -.
DR   eggNOG; ENOG4105CJ0; Bacteria.
DR   eggNOG; COG0111; LUCA.
DR   HOGENOM; HOG000234432; -.
DR   KO; K03473; -.
DR   OMA; SAPGCNA; -.
DR   OrthoDB; 1638924at2; -.
DR   BioCyc; PHAL326442:PSHA_RS10290-MONOMER; -.
DR   UniPathway; UPA00244; UER00310.
DR   Proteomes; UP000006843; Chromosome I.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0033711; F:4-phosphoerythronate dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR   GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd12158; ErythrP_dh; 1.
DR   Gene3D; 3.30.1370.170; -; 1.
DR   HAMAP; MF_01825; PdxB; 1.
DR   InterPro; IPR006139; D-isomer_2_OHA_DH_cat_dom.
DR   InterPro; IPR029752; D-isomer_DH_CS1.
DR   InterPro; IPR006140; D-isomer_DH_NAD-bd.
DR   InterPro; IPR020921; Erythronate-4-P_DHase.
DR   InterPro; IPR024531; Erythronate-4-P_DHase_dimer.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR038251; PdxB_dimer_sf.
DR   PANTHER; PTHR42938:SF3; PTHR42938:SF3; 1.
DR   Pfam; PF00389; 2-Hacid_dh; 1.
DR   Pfam; PF02826; 2-Hacid_dh_C; 1.
DR   Pfam; PF11890; DUF3410; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   PROSITE; PS00065; D_2_HYDROXYACID_DH_1; 1.
PE   3: Inferred from homology;
KW   Complete proteome; Cytoplasm; NAD; Oxidoreductase;
KW   Pyridoxine biosynthesis; Reference proteome.
FT   CHAIN         1    373       Erythronate-4-phosphate dehydrogenase.
FT                                /FTId=PRO_0000297449.
FT   NP_BIND     207    209       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    209    209       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    238    238       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    255    255       Proton donor. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      45     45       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      67     67       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING     147    147       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     233    233       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     258    258       NAD; via amide nitrogen.
FT                                {ECO:0000255|HAMAP-Rule:MF_01825}.
SQ   SEQUENCE   373 AA;  40787 MW;  7D12F283714F83F2 CRC64;
     MKILADQNMP LVEQYFADIG EVERFDGRQL TADQLIDVDV LLTRSVTQVN NELLAHANKL
     SFVGTATIGV DHIDTQLLND KNIAFSSAPG CNAIAVAEYV ISSLYALSQE NARPLNNQTI
     GIVGVGSIGS CLAQKLQALN LTVLLCDPIK HAQGLLNEHV ALDQLLAQSD IVTFHVPLIK
     SGEHKTLHMM DKARLKALKP GLTLINASRG DVIDNQALLE VMQAGADLDL VLDVWENEPT
     ILIELLEHVR YASVHIAGHT LEGKARGTQI LYQKFCELKG IEATKSLDEF LPVPAITQAT
     LGQSFNEADI ARLVHLIYDV RRDDGILLRD LANNGFDSLR KNYPVRREFS TLTIQGDSSQ
     LAALAQLGFT VAN
//
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